/**
 * Email ：huangyijia138@qq.com
 * Des：
 *
 * @description: 324
 * @author: huangjiajia
 * @create: 2025-01-20 13:03
 **/
public class UserTest02 {
    public static void main(String[] args) {
        User2 U = new User2();
        //d读
        System.out.println("年龄"+ U.getAge());
        //改
        U.setAge(-100);

    }

}
